Gastrotheca psychrophila Duellman, 1974

Class: Amphibia > Order: Anura > Family: Hemiphractidae > Genus: Gastrotheca > Species: Gastrotheca psychrophila

Gastrotheca psychrophila Duellman, 1974, Occas. Pap. Mus. Nat. Hist. Univ. Kansas, 22: 15. Holotype: KU 120760, by original designation. Type locality: "ridge between Loja and Zamora, 2850 m, 13-14 km E (by road) of Loja, Provincia Zamora-Chinchipe, Ecuador".

Gastrotheca (Duellmania) psychrophilaDubois, 1987 "1986", Alytes, 5: 33.

Gastrotheca (Gastrotheca) psychrophila — Duellman, 2015, Marsupial Frogs: 376.

English Names

Ridge Marsupial Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 53).


Limited region at an elevation of 2750–2850 m on a ridge, the Abra de Zamora, between Loja and Zamora, in the Cordillera Oriental in southern Ecuador.

Geographic Occurrence

Natural Resident: Ecuador

Endemic: Ecuador


In the Gastrotheca plumbea group of Duellman, Maxson, and Jesiolowski, 1988, Copeia, 1988: 527-543. See account by Duellman and Hillis, 1987, Herpetologica, 43: 159. Almendáriz C. and Orcés, 2004, Rev. Politécnica, Quito, 25: 116-117, provided distributional data for Ecuador. See photograph, map, description of geographic range and habitat, and conservation status in Stuart, Hoffmann, Chanson, Cox, Berridge, Ramani, and Young, 2008, Threatened Amph. World: 398. In the Gastrotheca marsupiata group of Castroviejo-Fisher, Padial, De la Riva, Pombal, Silva, Rojas-Runjaic, Medina-Méndez, and Frost, 2015, Zootaxa, 4004: 1–72. See detailed account by Duellman, 2015, Marsupial Frogs: 376–380. Székely, Eguiguren, Ordóñez-Delgado, Armijos-Ojeda, and Székely, 2020, PLoS One, 15(9: e0238306): 8–9, noted that in their survey the animal could not be found and the authors suggested that it is likely extinct. 

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